Young explorers discover China's high-speed train technology in Chongqing

        

      

      

        
          
          chinadaily.com.cn |
          Updated: 2024-11-11 15:16
          
          
          
          
        


        
      

      

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   The children observe the high-speed train model. [Photo by Su Zhigang/For chinadaily.com.cn] 
 
 

 

        


        
        
      

        
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